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社經統合資料空間化與網格化災害脆弱度圖層之城鄉差異評估

Socio-Economic Aggregated Data Spatialization and Rasterizing Hazard Vulnerability Map Assessment on the Difference in Urban and Rural Townships

摘要


本研究藉由脆弱度指標量測與類型的討論,將各類指標空間化與網格化,進行災害脆弱度圖層套疊評估;再以劃分之城鄉地區進行災害脆弱度評估的空間差異探討。研究中發現無論是四個評估標的分別套疊或是綜合分析結果,沒有任何一個地點是絕對脆弱的,且不同的指標面向下的脆弱度分析,其脆弱度空間分佈也有極大的差異。而在城鄉的脆弱度分佈上,都市型或是人口密度高以及鄉村型或人口密度低的地點,其脆弱的面向也有所不同,前者有較高的個人與社會脆弱,後者則是偏向經濟與災害因應的脆弱,研究中也發現天然災害潛勢對於郊區型或人口密度中高的地點有較高的威脅。

並列摘要


This study discusses the evaluation and type of vulnerability index, spatializing and rasterizing indicators map layers, and the disaster vulnerability assessment of the spatial differences among urban and rural areas. The results from individual overlays and comprehensive assessments of four vulnerable indicator categories indicate that there is no such a place which is "absolute vulnerable". Analysis of each and every vulnerable indicator category illustrates that the vulnerable spatial distribution is very different to other categories. Urban or high population density areas may have higher personal or social vulnerability, while rural or low population density areas may have greater economic vulnerability. Suburban or middle-high population density areas tend to have greater threats by natural hazards.

參考文獻


中華經濟研究院(2015)。臺灣國土各區域容受力分析與調適策略研擬成果報告書。臺北市:內政部營建署城鄉發展分署。
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李欣輯、楊惠萱、廖楷民、蕭代基(2010)。水災社會脆弱性指標之建立。建築與規劃學報。10(3),163-182。
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李婷潔、彭立沛(2014)。鄉村的雙重脆弱性:以嘉義縣為例。農業推廣學報。31,45-69。

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